8078561: Error message should be generated once when -source 6 is specified
Summary: Code to avoid duplicated errors about features not supported in the current source level moved to Log
Reviewed-by: jjg
CaptureInSubtype.java:38:17: compiler.err.override.incompatible.ret: (compiler.misc.cant.override: m(), CaptureInSubtype.ShowFlaw, m(), CaptureInSubtype.SuperOfShowFlaw), CaptureInSubtype.Flaw<?>, CaptureInSubtype.SuperOfFlaw<java.util.List<?>>
1 error